Automatic Hydraulic Door Closer with Stop Device, Adjustable Spring Door Closer, Buffer Closed for Commercial and Residential Use 25-45kg Door（Money）

General description Keep the door open at angles between 90° and 180° without the need for external force or a door stop. This automatic hydraulic door closer is ideal for maintaining ventilation and facilitating the movement of goods. It automatically closes the door when pulled less than 90°, ensuring convenience and ease of use. Technical specifications Material: High-quality aluminum alloy Weight capacity: 25-45 kg Applicable door width: 750-850 mm Closing speed: Adjustable via 2 independent valves Installation Comes with a detailed installation manual Includes an installation video for easy setup Simple and smooth installation process Usage Suitable for right and left opening doors Applicable for wooden and metal doors Ideal for residential and commercial use, including fire doors, hotels, condominiums, apartments, and warehouses Other information Manufactured according to European production standards Passed CE, UL, 3C certification and fire test